Perhaps you should try some spelling variations:
calero javier » alvaro javier
power john » powell john, por john
edicion de » medicion de
john paul » jean paul
de calero » de canero, de falero, de valero
javier a » javier e, javier de
a pau » la pau, a paul, a paz
condiciones » conditions

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( condiciones de gas power john paul ; ) or ( edicion de calero javier a pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( condiciones de gas power john paul ; ) OR ( edicion de calero javier a pau ; )).
• Adding a wildcard symbol may retrieve word variants: (( condiciones de gas power john paul ; ) or ( edicion de calero javier a pau ; ))*.